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Attention and positive affect: temporal switching or spatial broadening?
1Amsterdam Brain and Cognition Center, University of Amsterdam, Amsterdam, The Netherlands, r.h.phaf@uva.nl.
Attention, Perception & Psychophysics
|March 17, 2015
Summary
Positive affect enhances attentional flexibility more than negative affect, particularly in tasks involving masked stimuli. This suggests mood influences how quickly we switch attention, not just the scope of our focus.
Area of Science:
- Cognitive Psychology
- Affective Neuroscience
Background:
- Evolutionary theories propose positive affect enhances attentional flexibility.
- Previous research suggested positive affect broadens attention, reducing interference.
- This study re-evaluates affective modulation of attention, focusing on flexibility.
Purpose of the Study:
- To investigate whether positive affect increases attentional flexibility compared to negative affect.
- To differentiate between spatial broadening and attentional switching as explanations for mood effects on attention.
- To examine the role of stimulus onset asynchrony (SOA) in mood-dependent attentional modulation.
Main Methods:
- Employed a masked-flanker task with positive and negative mood inductions.
- Parametrically varied the stimulus onset asynchrony (SOA) between flankers and target.
- Measured interference effects under different mood states and SOAs.
Main Results:
- Masking produced greater interference in negative moods than positive moods.
- A crossover interaction between mood and SOA was observed.
- Results contradicted a spatial broadening account of attention.
Conclusions:
- Affective states modulate attentional flexibility, specifically the speed of switching attention.
- The findings support an attentional flexibility account over a spatial broadening account.
- Mood-contingent attentional dynamics are crucial for understanding cognitive processing.
